UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mbPUyfAUkgS73eb7A3pT9xkCv6P9VLyH4i6TjEz4dxs=' 
WHERE 
  key_id = '8e840db49b875c662ccf1e8495d053d9d205a966c4b09c16256199acd1dba983' 
  AND (
    token = 'mbPUyfAUkgS73eb7A3pT9xkCv6P9VLyH4i6TjEz4dxs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )